Home / 40,127.94-55,376.44-23,132.09

Finding the Fourth Proportional to 40,127.94, 55,376.44 and 23,132.09

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Solution

The fourth proportional to 40,127.94, 55,376.44 and 23,132.09 is: 31,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,127.94 : 55,376.44 = 23,132.09 : x
  2. Step 2: Convert to fraction form
    40,127.94/55,376.44 = 23,132.09/x
  3. Step 3: Cross multiply
    40,127.94x = 55,376.44 × 23,132.09
  4. Step 4: Simplify right side
    40,127.94x = 1,280,972,517.08
  5. Step 5: Solve for x
    x = 1,280,972,517.08/40,127.94
  6. Step 6: Final answer
    x = 31,922.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.